Fix so the 'install_libbase' directory -- where .pth files are installed -- participates in the "--root" hack, ie. it also has a new root directory hacked on at the very last minute (essential if the .pth file is to be included in an RPM or other smart installer!).
Fix so the 'install_libbase' directory -- where .pth files are installed --
participates in the "--root" hack, ie. it also has a new root directory
hacked on at the very last minute (essential if the .pth file is to be
included in an RPM or other smart installer!).

sk-/python2.7-type-annotator,sk-/python2.7-type-annotator,sk-/python2.7-type-annotator